<template>
	<el-dialog :title="!dataForm.id ? '新增' : '修改'" :close-on-click-modal="false" :visible.sync="visible">
		<el-form :model="dataForm" :rules="dataRule" ref="dataForm" @keyup.enter.native="dataFormSubmit()" label-width="80px">
			<el-form-item label="折扣方案" prop="discountId">
				<el-select :disabled="updateDisabled" @change="listSelectedFoods" v-model="dataForm.discountId">
					<el-option v-for="item in disList" :label="item.discountName" :key="item.discountId" :value="item.discountId"></el-option>
				</el-select>
			</el-form-item>
			<el-form-item label="选择菜品" prop="foodList">
				<div v-for="foo in foodList">
					<el-tag type="success">{{ foo.foodTypeName }}</el-tag>
					<el-checkbox-group  v-show="dataForm.id == 0" v-model="dataForm.foodList">
						<el-checkbox v-for="f in foo.foodList" :key="f.id" :label="f.id">{{ f.foodName }}</el-checkbox>
					</el-checkbox-group>
					<el-checkbox-group v-show="dataForm.id != 0" v-model="dataForm.foodList" :disabled="true">
						<el-checkbox v-for="f in foo.foodList" :key="f.id" :label="f.id">{{ f.foodName }}</el-checkbox>
					</el-checkbox-group>
				</div>
			</el-form-item>
			<el-form-item label="折扣(请输入1-10之间的数字,10代表不打折)" prop="discount" label-width="300px">
        <el-input-number :min="1" :max="10" style="width: 100%" v-model="dataForm.discount" placeholder="折扣(请输入1-10之间的数字)"></el-input-number>
      </el-form-item>
		</el-form>
		<span slot="footer" class="dialog-footer">
			<el-button @click="visible = false">取消</el-button>
			<el-button type="primary" @click="dataFormSubmit()" :disabled="disabledSubmit">确定</el-button>
		</span>
	</el-dialog>
</template>

<script>
export default {
	data() {
		return {
      updateDisabled:false,
			disList: [],
			foodList: [],
			visible: false,
			disabledSubmit:false,
			dataForm: {
				id: 0,
				discountId: '',
				foodId: '',
				discount: '',
				foodList: []
			},
			dataRule: {
				discountId: [{ required: true, message: '折扣方案ID不能为空', trigger: 'blur' }],
				foodList: [{ required: true, message: '菜品ID不能为空', trigger: 'blur' }],
				discount: [{ required: true, message: '折扣不能为空', trigger: 'blur' }]
			}
		};
	},
	methods: {

		//已经添加过的菜品
		listSelectedFoods(){
			this.dataForm.foodList = []
			this.$http({
				url: this.$http.adornUrl('/store/tstorediscountdetail/alreadyAddFoods/'+this.dataForm.discountId),
				method: 'get'
			}).then(({ data }) => {
				if (data && data.code === 0) {
					this.foodList = data.foodList;
				} else {
					this.dataForm.foodList = [];
				}
			});
		},

		init(id) {

			//菜品列表
			this.$http({
				url: this.$http.adornUrl('/store/tstorefood/listFood'),
				method: 'get'
			}).then(({ data }) => {
				if (data && data.code === 0) {
					this.foodList = data.foodList;
				} else {
					this.foodList = [];
				}
			});

			//折扣方案
			this.$http({
				url: this.$http.adornUrl('/store/tstorediscount/list'),
				method: 'get',
				params: this.$http.adornParams({
					status: 1
				})
			}).then(({ data }) => {
				if (data && data.code === 0) {
					this.disList = data.page.list;
				} else {
					this.disList = [];
				}
			});

			this.dataForm.id = id || 0;
			if (id !== 0){
			  this.updateDisabled = true
      }
			this.visible = true;
			this.$nextTick(() => {
				this.$refs['dataForm'].resetFields();
				if (this.dataForm.id) {
					this.$http({
						url: this.$http.adornUrl(`/store/tstorediscountdetail/info/${this.dataForm.id}`),
						method: 'get',
						params: this.$http.adornParams()
					}).then(({ data }) => {
						if (data && data.code === 0) {
							this.dataForm.discountId = data.tStoreDiscountDetail.discountId;
							this.dataForm.foodList = data.tStoreDiscountDetail.foodList;
							this.dataForm.discount = data.tStoreDiscountDetail.discount;
						}
					});
				}
			});
		},
		// 表单提交
		dataFormSubmit() {
			this.disabledSubmit = true
			this.$refs['dataForm'].validate(valid => {
				if (valid) {
					this.$http({
						url: this.$http.adornUrl(`/store/tstorediscountdetail/${!this.dataForm.id ? 'save' : 'update'}`),
						method: 'post',
						data: this.$http.adornData({
							id: this.dataForm.id || undefined,
							discountId: this.dataForm.discountId,
							foodList: this.dataForm.foodList,
							discount: this.dataForm.discount
						})
					}).then(({ data }) => {
						if (data && data.code === 0) {
							this.$message({
								message: '操作成功',
								type: 'success',
								duration: 1500,
								onClose: () => {
									this.visible = false;
									this.disabledSubmit = false
									this.$emit('refreshDataList');
								}
							});
						} else {
              this.disabledSubmit = false
							this.$message.error(data.msg);
						}
					});
				}else {
				  this.disabledSubmit = false
        }
			});
		}
	}
};
</script>
